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Table 5 Summary of result from the psychometric analyses of part 2 of the COS-AAA

From: Consequences of screening in abdominal aortic aneurysm: development and dimensionality of a questionnaire

The items of part II of the COS-AAA in order of the scales (the item number indicates the order of appearance in the questionnaire) Subscales and misfit Observed Expected Gamma sd Probability of fit to the Rasch model
1. broader aspects of life Existential values 0.821 0.864 0.031 0.15680
2. enjoyment of life Existential values 0.913 0.863 0.037 0.17767
8. thought about future Existential values 0.860 0.860 0.036 0.99225
9. well-being Existential values 0.886 0.861 0.034 0.46631
10. awareness of life Existential values 0.840 0.859 0.038 0.62198
11. value life Existential values 0.852 0.864 0.031 0.70760
3. relaxed Relaxed/calm 0.842 0.859 0.040 0.65712
7. calm Relaxed/calm 0.875 0.854 0.036 0.56099
15. relieved Relaxed/calm 0.844 0.857 0.035 0.70844
4. family Social relations 0.987 0.986 0.009 0.92118
5. friends Social relations 0.996 0.984 0.010 0.27472
6. other people Social relations 0.958 0.984 0.012 0.02807a
12. energy Impulsivity 0.848 0.903 0.030 0.06633
14. lived life to the full Impulsivity 0.933 0.897 0.039 0.36525
17. being impulsive Impulsivity 0.913 0.897 0.038 0.68946
19. desire to venture into something new Impulsivity 0.922 0.905 0.028 0.54384
20. desire to venture into something risky Impulsivity 0.926 0.910 0.026 0.53982
21. done some things that overstepped one’s bounds Impulsivity 0.882 0.901 0.034 0.56734
13. responsibility for one’s family Empathy 0.691 0.752 0.067 0.36721
16. understand other people’s problems Empathy 0.873 0.889 0.031 0.60584
18. ability to listen to other people’s problems Empathy 0.896 0.870 0.033 0.42455
  1. aAdjusting the p-values in the table in order to control the false discovery rate and so avoid spurious significant results due to multiple testing suggested that this result should be regarded as not significant [38]